Fixed null-Date serialisation bug
Started work on Schema evolution API
Implemented instance callbacks
Disabled schema test
InstanceLifecycle listeners.
New ClassBuilder
More schema evolution stuff
Improved add/remove field for schemas
Fixed some schema field deletion and renaming issues
Improved rollback of schema operations
Howto
More debugging stuff + fixed ZooClassDef.toString()
Schema evolution almost works now
Another funny test for schema evol.
Schema evolution now works except sub-class deletion
Fixed deletion of schema-hierarchy.
More schema evolution tests and preparation for data evolution.
Work on generic objects
Generic Deserializer
GO updates